server {
    listen 80;
    root /var/www/html/public;
    index index.php;
    client_max_body_size 20m;
    location / { try_files $uri $uri/ /index.php?$query_string; }
    location ~ \.php$ {
        try_files $uri =404;
        fastcgi_pass app:9000;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;
    }
    location ~ /\. { deny all; }
}